convert pystache to private library since it doesn't behave like upstream

anki/deck.py

@@ -9,7 +9,7 @@ The Deck
 __docformat__ = 'restructuredtext'
 
 import tempfile, time, os, random, sys, re, stat, shutil
-import types, traceback, simplejson, datetime, pystache
+import types, traceback, simplejson, datetime
 
 from anki.db import *
 from anki.lang import _, ngettext
@@ -25,6 +25,7 @@ from anki.tags import initTagTables, tagIds
 from operator import itemgetter
 from itertools import groupby
 from anki.hooks import runHook, hookEmpty
+from anki.template import render
 
 # ensure all the metadata in other files is loaded before proceeding
 import anki.models, anki.facts, anki.cards, anki.stats
@@ -1450,8 +1451,8 @@ and due < :now""", now=time.time())
                    empty['tags'] = ""
                    local['tags'] = fact.tags
                    try:
-                       if (pystache.render(format, local) ==
-                           pystache.render(format, empty)):
+                       if (render(format, local) ==
+                           render(format, empty)):
                            ok = False
                            break
                    except (KeyError, TypeError, ValueError):

anki/models.py

@@ -12,7 +12,7 @@ Model - define the way in which facts are added and shown
 
 """
 
-import time, re, pystache
+import time, re
 from sqlalchemy.ext.orderinglist import ordering_list
 from anki.db import *
 from anki.utils import genID, canonifyTags
@@ -20,6 +20,7 @@ from anki.fonts import toPlatformFont
 from anki.utils import parseTags, hexifyID, checksum, stripHTML
 from anki.lang import _
 from anki.hooks import runFilter
+from anki.template import render
 from copy import copy
 
 def alignmentLabels():
@@ -154,7 +155,7 @@ def formatQA(cid, mid, fact, tags, cm):
         format = re.sub("%\((.+?)\)s", "{{\\1}}", format)
         # allow custom rendering functions & info
         fields = runFilter("prepareFields", fields, cid, mid, fact, tags, cm)
-        html = pystache.render(format, fields)
+        html = render(format, fields)
         d[type] = runFilter("formatQA", html, type, cid, mid, fact, tags, cm)
     return d
 

anki/template/README.anki

@@ -0,0 +1,6 @@
+Anki uses a modified version of Pystache to provide Mustache-like syntax.
+Behaviour is a little different from standard Mustache:
+
+- {{text}} returns text verbatim with no HTML escaping
+- {{{text}}} strips an outer span tag
+- partial rendering is disabled for security reasons

anki/template/__init__.py

@@ -1,5 +1,5 @@
-from pystache.template import Template
-from pystache.view import View
+from anki.template.template import Template
+from anki.template.view import View
 
 def render(template, context=None, **kwargs):
     context = context and context.copy() or {}

anki/template/view.py

@@ -1,4 +1,4 @@
-from pystache import Template
+from anki.template import Template
 import os.path
 import re
 

setup.py

@@ -24,7 +24,7 @@ setup(name='anki',
       author_email='anki@ichi2.net',
       url='http://ichi2.net/anki/index.html',
       license='GPLv3',
-      packages=["anki", "anki.importing", "pystache"],
+      packages=["anki", "anki.importing", "anki.template"],
       package_data={'anki': ['locale/*/*/*'],},
       include_package_data=True,
       zip_safe=False,